SAF recently completed the National Fire Protection Association 285 testing and passed for its C-4000 Series, a drained and back-ventilated aluminum composite material rainscreen panel system. SAF’s C-4000 Series system may now be used in NFPA 285-compliant wall assemblies. The assembly that passed comprised SAF C-4000 wall panels, including 4-millimeter Alucobond Plus and SAF extrusions; 2-inch-thick, 4-pounds-per-cubic-foot mineral wool exterior insulation; Tremco Exo-Air 230 water-resistive barrier; 1/2-inch Georgia Pacific DensGlass exterior sheathing; and Aluminum Z girts.